CA2820072C - Single use bioreactor for use with detachable dissolved oxygen sensor - Google Patents
Single use bioreactor for use with detachable dissolved oxygen sensor Download PDFInfo
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- CA2820072C CA2820072C CA2820072A CA2820072A CA2820072C CA 2820072 C CA2820072 C CA 2820072C CA 2820072 A CA2820072 A CA 2820072A CA 2820072 A CA2820072 A CA 2820072A CA 2820072 C CA2820072 C CA 2820072C
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- sensor
- membrane
- bioreaction
- dissolved oxygen
- bioreaction vessel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/32—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of substances in solution
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
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- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
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- Engineering & Computer Science (AREA)
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- Biomedical Technology (AREA)
- Biotechnology (AREA)
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- Electrochemistry (AREA)
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- General Engineering & Computer Science (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A single use -bioreactor/container (50) for use with a dissolved oxygen sensor (1) is provided. The bioreaction vessel (50) includes a plastic wall (62) defining a bioreaction chamber therein, and having an aperture (68) therethrough. A membrane holder (60) is attached to an inner surface of the plastic wall (62). The membrane holder (60) has a cylindrical portion passing through the aperture (68). A sensor window membrane (70) is coupled to the membrane holder (60) proximate the aperture (68). The sensor window membrane (70) has a high oxygen permeability, but forms a water-tight seal with the membrane holder (60).
Description
SINGLE USE BIOREACTOR FOR USE WITH DETACHABLE
DISSOLVED OXYGEN SENSOR
BACKGROUND
[0001] Oxygen is a gas of significant interest, simply because of its role from the cycle of all living organisms. Measurement of oxygen concentration or partial pressure is important in the wide variety of the applications. In some applications, gaseous oxygen concentrations are measured directly. In other applications, the concentration of oxygen dissolved in a liquid is measured. It is important to realize that the term "dissolved oxygen" refers to gaseous oxygen dissolved in water, and it should not be confused with combined oxygen as found in the water molecule, H20.
DISSOLVED OXYGEN SENSOR
BACKGROUND
[0001] Oxygen is a gas of significant interest, simply because of its role from the cycle of all living organisms. Measurement of oxygen concentration or partial pressure is important in the wide variety of the applications. In some applications, gaseous oxygen concentrations are measured directly. In other applications, the concentration of oxygen dissolved in a liquid is measured. It is important to realize that the term "dissolved oxygen" refers to gaseous oxygen dissolved in water, and it should not be confused with combined oxygen as found in the water molecule, H20.
[0002] A promising application for the measurement of dissolved oxygen is in biological specimens. These biological specimens may be in vitro specimens in a laboratory, or in vivo specimens within a patient. The measurement of dissolved oxygen in biological specimens provides important diagnostic information for care providers, and/or information about the efficacy of a particular treatment.
[0003] Frequently, a biological specimen is contained within a bioreactor/mixer, and the dissolved oxygen measurement provides important information about the state of the biomass contained therein.
SUMMARY
SUMMARY
[0004] A dissolved oxygen sensor for use with a single use-bioreactor/container is provided. The bioreaction vessel includes a plastic wall defining a bioreaction chamber therein, and having an aperture therethrough. A membrane holder is attached to an inner surface of the plastic wall. The membrane holder has a cylindrical portion passing through the aperture. A
sensor window membrane is coupled to the membrane holder proximate the aperture. The sensor window membrane has a high oxygen permeability, but forms a water-tight seal with the membrane holder.
BRIEF DESCRIPTION OF THE DRAWINGS
sensor window membrane is coupled to the membrane holder proximate the aperture. The sensor window membrane has a high oxygen permeability, but forms a water-tight seal with the membrane holder.
BRIEF DESCRIPTION OF THE DRAWINGS
[0005] FIG. 1 is a diagrammatic view of an exemplary amperometric sensor with which embodiments of the present invention are particularly useful.
[0006] FIG. 2 is a diagrammatic view of an amperometric dissolved oxygen sensor being used to measure the dissolved oxygen content of a biological specimen within a single-use bioreactor in accordance with an embodiment of the present invention.
[0007] FIG. 3 is a diagrammatic view of the conventional dissolved oxygen sensor being employed to measure dissolved oxygen of a biological specimen in accordance with an embodiment of the present invention.
[0008] FIG. 4 is a diagrammatic cross-sectional view of a sensor window holder coupled to a wall or plastic sheet of a single-use bioreactor/mixer in accordance with an embodiment of the present invention.
[0009] FIG. 5 is a diagrammatic view of a sensing membrane coupled to a wall of a single-use bioreactor mixer/container in accordance with an embodiment of the present invention.
[0010] FIG. 6 is a diagrammatic view of a dissolved oxygen sensor coupled to a single-use bioreactor/mixer in accordance with an embodiment of the present invention.
DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS
DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS
[0011] FIG. 1 is a diagrammatic view of an exemplary amperometric sensor with which embodiments of the present invention are particularly useful. Sensor 1 includes sensor body 10 and sensing membrane 16 that cooperate to provide a chamber within which supporting electrolyte 12 is maintained. Sensing electrode 14 is disposed within the chamber proximate sensing membrane 16. Sensor 1 is considered an amperometric dissolved oxygen sensor. Such sensors have been developed for many applications since the 1960s. The principal of the amperometric oxygen sensor is shown in FIG. 1. Specifically, sensing membrane 16 has a defined oxygen permeability, which controls the flow of oxygen molecules 20 diffusing through membrane 16. Once the oxygen molecule reaches the inner side of sensing membrane 16, it is reduced by sensing electrode 14 due to the electrode reaction (shown in FIG.
1) and generates a current signal. The magnitude of the current signal is proportional to the oxygen partial pressure at sensing membrane 16.
1) and generates a current signal. The magnitude of the current signal is proportional to the oxygen partial pressure at sensing membrane 16.
[0012] FIG. 2 is a diagrammatic view of an amperometric dissolved oxygen sensor being used to measure the dissolved oxygen content of a biological specimen within a single-use bioreactor in accordance with an embodiment of the present invention.
Dissolved oxygen sensor 40 is mounted within single-use bioreactor 50 and disposed to provide an amperometric indication of the dissolved oxygen content of specimen 52. Sensor 40 is coupled to dissolved oxygen analyzer 54 which operates sensor 40. Analyzer 54 measures dissolved oxygen of specimen 52 using sensor 40 and provides a readout or other suitable indication of the dissolved oxygen content of specimen 52.
Dissolved oxygen sensor 40 is mounted within single-use bioreactor 50 and disposed to provide an amperometric indication of the dissolved oxygen content of specimen 52. Sensor 40 is coupled to dissolved oxygen analyzer 54 which operates sensor 40. Analyzer 54 measures dissolved oxygen of specimen 52 using sensor 40 and provides a readout or other suitable indication of the dissolved oxygen content of specimen 52.
[0013] A design tension exists between the single-use nature of bioreactor 50 and traditional operation and insertion of a dissolved oxygen sensor in the bioreactor. In accordance with embodiments of the present invention, a dissolved oxygen sensor need not be in direct physical contact with the media within the single-use bioreactor. In this manner, the dissolved oxygen sensor can be inserted or removed without requiring sterilization processes.
[0014] FIG. 3 is a diagrammatic view of the conventional dissolved oxygen sensor being employed to measure dissolved oxygen of a test medium or biological specimen in accordance with an embodiment of the present invention. Dissolved oxygen sensor 1 can be any suitable dissolved oxygen sensor, including that described above with respect to FIG.
1. Sensor 1 is mounted or otherwise affixed within sensor window holder 60. Sensor window holder 60 is welded, bonded, or otherwise mechanically affixed to wall 62 of bioreactor/mixer 50. An aperture 68 is formed through wall 62, which has a diameter that is approximately equal to the outside diameter of portion 64 of sensor window holder 60. Sensor window holder 60 is welded, bonded, or otherwise mechanically affixed to wall 62 at interface 66 and/or the interface between aperture 68 and outside diameter 64. Conventional dissolved oxygen sensor 1 can be removed from and reinstalled to sensor window holders 60 of various single-use bioreactors. Sensor window holder 60 also includes sensor window 70 disposed to contact the test media or biological specimen 72 and to preferably provide high permeation of oxygen.
When the sensing membrane of a traditional oxygen sensor comes in contact with the sensing window 70, it will be able to measure the oxygen content of the media passing through the window 70.
In one embodiment, sensor window membrane 70 is made from the material that has a high permeation of oxygen. Preferably, the oxygen permeability of sensor window membrane 70 is defined such that membrane 70 will generate at least 20 microamperes ([tA) in air at sea level at 25 C when installed on an amperometric sensor with a sensing electrode of 0.275 inches in diameter. The current defines the oxygen flows going through the membrane at this condition.
The embodiment illustrated with respect to FIG. 3 allows the separation of dissolved oxygen sensor 1 and container 50 when required. Sensor 1 can simply be removed away from container 50 during steam sterilization or gamma irradiation of container 50. Moreover, sensor 1 can be removed from container 50 for calibration at any time without interrupting the process inside container 50.
1. Sensor 1 is mounted or otherwise affixed within sensor window holder 60. Sensor window holder 60 is welded, bonded, or otherwise mechanically affixed to wall 62 of bioreactor/mixer 50. An aperture 68 is formed through wall 62, which has a diameter that is approximately equal to the outside diameter of portion 64 of sensor window holder 60. Sensor window holder 60 is welded, bonded, or otherwise mechanically affixed to wall 62 at interface 66 and/or the interface between aperture 68 and outside diameter 64. Conventional dissolved oxygen sensor 1 can be removed from and reinstalled to sensor window holders 60 of various single-use bioreactors. Sensor window holder 60 also includes sensor window 70 disposed to contact the test media or biological specimen 72 and to preferably provide high permeation of oxygen.
When the sensing membrane of a traditional oxygen sensor comes in contact with the sensing window 70, it will be able to measure the oxygen content of the media passing through the window 70.
In one embodiment, sensor window membrane 70 is made from the material that has a high permeation of oxygen. Preferably, the oxygen permeability of sensor window membrane 70 is defined such that membrane 70 will generate at least 20 microamperes ([tA) in air at sea level at 25 C when installed on an amperometric sensor with a sensing electrode of 0.275 inches in diameter. The current defines the oxygen flows going through the membrane at this condition.
The embodiment illustrated with respect to FIG. 3 allows the separation of dissolved oxygen sensor 1 and container 50 when required. Sensor 1 can simply be removed away from container 50 during steam sterilization or gamma irradiation of container 50. Moreover, sensor 1 can be removed from container 50 for calibration at any time without interrupting the process inside container 50.
[0015] FIG. 4 is a diagrammatic cross-sectional view of sensor window holder 60 coupled to a wall 62 or plastic sheet of a single-use bioreactor/mixer 50, in accordance with an embodiment of the present invention. Many aspects of the embodiment illustrated in FIG. 4 are similar to those illustrated in FIG. 3, and like components are numbered similarly. Specifically, plastic sheet or wall of container 62 is provided with an aperture that is roughly sized to pass the outside diameter 64 of cylindrical portion 78. Cylindrical portion 78 is coupled to flange member 74 that provides a face 76 that is sealed to the inside portion of single-use bioreactor 50.
Flange member 74 may be sealed by any suitable methods including thermal/adhesive bonding, mechanical methods, such as ultrasonic welding, or other suitable methods.
Additionally, sensing membrane 70 is sealed to flange 74 such that a water-tight connection is formed. Specifically, when sensing membrane 70 is affixed to flange member74, and flange member 74 is affixed to the inside surface of wall 62 of single-use bioreactor 5-, the test medium of biological specimen contained within the single-use bioreactor cannot leak out.
Flange member 74 may be sealed by any suitable methods including thermal/adhesive bonding, mechanical methods, such as ultrasonic welding, or other suitable methods.
Additionally, sensing membrane 70 is sealed to flange 74 such that a water-tight connection is formed. Specifically, when sensing membrane 70 is affixed to flange member74, and flange member 74 is affixed to the inside surface of wall 62 of single-use bioreactor 5-, the test medium of biological specimen contained within the single-use bioreactor cannot leak out.
[0016] In FIG. 4, sensing membrane 70 is integrated into the single-use bioreactor through by virtue of being a component of membrane holder 60. Sensing membrane 70, membrane holder 60, and plastic sheet 62 of the bioreactor are all attached together by thermal/adhesive bonding or any other suitable mechanical means. Additionally, sensing membrane 70 can be modified for reinforcement. In this configuration, sensing membrane 70 can be sterilized together with the single-use bioreactor/container through gamma irradiation or other suitable means. During the use of the single-use bioreactor, the electrolyte and sensing electrode can be installed for oxygen measurement without extra sterilization processes as shown in FIG. 4.
[0017] In many embodiments, the sensing membrane will typically be made from polytetrafluoroethylene (PTFE) or a similar polymer with a relatively small permeability of oxygen. Most other polymers such as polypropylene or polyethylene have an oxygen permeability that is several orders of magnitude higher. In accordance with at least one embodiment of the present invention, the sensing membrane can be integrated into the single-use bioreactor by simply bonding the sensing membrane to the wall of the plastic sheet of the single-use bioreactor as illustrated diagrammatically in FIG. 5. In FIG. 5, the sensing membrane has a relatively lower oxygen permeability in comparison the plastic sheet of the single-use bioreactor.
One example of such a situation would be where the sensing membrane is constructed from polytetrafluoroethylene and the plastic sheet of the single-use bioreactor is constructed from polypropylene or polyethylene. The remainder of the sensor body and electrode can be disposed on either side of the plastic sheet or sensing membrane.
One example of such a situation would be where the sensing membrane is constructed from polytetrafluoroethylene and the plastic sheet of the single-use bioreactor is constructed from polypropylene or polyethylene. The remainder of the sensor body and electrode can be disposed on either side of the plastic sheet or sensing membrane.
[0018] FIG. 6 is a diagrammatic view of a dissolved oxygen sensor coupled to a single-use bioreactor/mixer in accordance with an embodiment of the present invention. The embodiment illustrated with respect to FIG. 6 is similar to that illustrated in FIG. 3, however the primary distinction is that sensing membrane 80 of the dissolved oxygen sensor illustrated in FIG. 6 is bonded, or otherwise adhered to the plastic wall of the single-use bioreactor through flange 74. In comparison, conventional dissolved oxygen sensor 1 illustrated in FIG. 3 has its own sensing membrane that abuts sensor window 70 such that oxygen permeates through sensor window 70 and the sensing membrane of the conventional dissolved oxygen sensor 1. As illustrated in FIG. 6, the oxygen merely passes through sensing membrane 80 and is substantially immediately reduced by the sensing electrode to generate a current signal. In this manner, the embodiment illustrated in FIG. 6 may react slightly quicker than embodiments that utilize a conventional dissolved oxygen sensor. Those skilled in the art will appreciate that sensor body 82 and electrode 84 do not comprise a complete dissolved oxygen sensor.
Accordingly, in order to facilitate the embodiment illustrated with respect to FIG. 6, sensor body 82, electrode 84, and supporting electrolyte 12 are essentially provided as a kit that can be coupled to single-use bioreactors that contain, or otherwise employ membrane holder 60 and sensing membrane 80 as illustrated in FIG. 6. Thus, when a single-use bioreactor is ready to be employed, sensor body 82 is threaded, or otherwise detachably affixed to membrane holder 60 with electrode 84 therein.
Once coupled, sensor body 82 and membrane holder 60 form a liquid-tight chamber with sensing membrane 80. Supporting electrolyte 12 is then introduced into the chamber to provide a fully-functional dissolved oxygen sensor. Once the reaction is complete, or otherwise terminated, sensor body 82 may be withdrawn from membrane holder 60 to be used with another single-use bioreactor, or sensor body 82 can be simply be removed from the same single-use bioreactor as that bioreactor is sterilized or otherwise subjected to gamma irradiation.
Accordingly, in order to facilitate the embodiment illustrated with respect to FIG. 6, sensor body 82, electrode 84, and supporting electrolyte 12 are essentially provided as a kit that can be coupled to single-use bioreactors that contain, or otherwise employ membrane holder 60 and sensing membrane 80 as illustrated in FIG. 6. Thus, when a single-use bioreactor is ready to be employed, sensor body 82 is threaded, or otherwise detachably affixed to membrane holder 60 with electrode 84 therein.
Once coupled, sensor body 82 and membrane holder 60 form a liquid-tight chamber with sensing membrane 80. Supporting electrolyte 12 is then introduced into the chamber to provide a fully-functional dissolved oxygen sensor. Once the reaction is complete, or otherwise terminated, sensor body 82 may be withdrawn from membrane holder 60 to be used with another single-use bioreactor, or sensor body 82 can be simply be removed from the same single-use bioreactor as that bioreactor is sterilized or otherwise subjected to gamma irradiation.
Claims (12)
1. A single-use bioreaction vessel comprising:
a plastic wall containing an aperture therethrough;
a membrane having a cylindrical portion and a flange portion affixed to the plastic wall, wherein the membrane holder is configured to removably mount an oxygen sensor external to the bioreaction vessel; and a window membrane composed of a plastic having a high oxygen permeability and being coupled to the membrane holder to seal the aperture, the window membrane being disposed to contact a bioreaction material within the single-use bioreaction vessel and wherein the window membrane is configured to contact the oxygen sensor when the oxygen sensor is mounted in the membrane holder.
a plastic wall containing an aperture therethrough;
a membrane having a cylindrical portion and a flange portion affixed to the plastic wall, wherein the membrane holder is configured to removably mount an oxygen sensor external to the bioreaction vessel; and a window membrane composed of a plastic having a high oxygen permeability and being coupled to the membrane holder to seal the aperture, the window membrane being disposed to contact a bioreaction material within the single-use bioreaction vessel and wherein the window membrane is configured to contact the oxygen sensor when the oxygen sensor is mounted in the membrane holder.
2. The bioreaction vessel of claim 1, and further comprising a sensor body coupled to the cylindrical portion.
3. The bioreaction vessel of claim 2, wherein the sensor body is removably coupleable such that removal of the sensor body from the cylindrical portion does not breach the bioreaction vessel.
4. The bioreaction vessel of claim 2 or 3, and further comprising a sensing membrane disposed proximate the window membrane.
5. The bioreaction vessel of claim 4, and further comprising an analyzer operably coupled to the electrode to measure dissolved oxygen in a biological specimen based on current flow through the electrode.
6. The bioreaction vessel of any one of claims 1 to 5, wherein the oxygen sensor can be removed from the membrane holder without interrupting a process inside the bioreaction vessel.
7. The bioreaction vessel of any one of claims 1 to 6, wherein the oxygen permeability of the window membrane is defined such that the window membrane generates at least 20 microamperes in air at sea level at 25°C when installed on an amperometric sensor having a sensing electrode of 0.275 inches in diameter.
8. The bioreaction vessel of any one of claims 1 to 7, and further including a dissolved oxygen sensor coupled to the cylindrical portion, wherein a sensing membrane of the dissolved oxygen sensor contacts the window membrane.
9. A bioreaction vessel comprising:
a plastic wall defining a bioreaction chamber therein, and having an aperture therethrough;
a membrane holder attached to the plastic wall, the membrane holder having a cylindrical portion passing through the aperture;
a sensor window membrane coupled to the membrane holder proximate the aperture, the sensor window membrane being composed of a plastic having a high oxygen permeability, but forming a water-tight seal with the membrane holder; and a sensor mounted proximate the sensor window outside of the bioreaction vessel such that the sensor window membrane is a sensing membrane of the sensor and such that the sensor window and the sensor are in direct contact.
a plastic wall defining a bioreaction chamber therein, and having an aperture therethrough;
a membrane holder attached to the plastic wall, the membrane holder having a cylindrical portion passing through the aperture;
a sensor window membrane coupled to the membrane holder proximate the aperture, the sensor window membrane being composed of a plastic having a high oxygen permeability, but forming a water-tight seal with the membrane holder; and a sensor mounted proximate the sensor window outside of the bioreaction vessel such that the sensor window membrane is a sensing membrane of the sensor and such that the sensor window and the sensor are in direct contact.
10. The bioreaction vessel of claim 9, and further comprising an amperometric dissolved oxygen sensor disposed in the cylindrical portion of the membrane holder.
11. The bioreaction vessel of claim 10, wherein the amperometric dissolved oxygen sensor is threaded to the cylindrical portion.
12. The bioreaction vessel of claim 11, and further comprising an analyzer coupled to the dissolved oxygen sensor to measure dissolved oxygen of a biological specimen in the bioreaction vessel.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201061424261P | 2010-12-17 | 2010-12-17 | |
| US61/424,261 | 2010-12-17 | ||
| PCT/US2011/065032 WO2012082973A1 (en) | 2010-12-17 | 2011-12-15 | Single use bioreactor for use with detachable dissolved oxygen sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2820072A1 CA2820072A1 (en) | 2012-06-21 |
| CA2820072C true CA2820072C (en) | 2016-09-27 |
Family
ID=45531534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2820072A Expired - Fee Related CA2820072C (en) | 2010-12-17 | 2011-12-15 | Single use bioreactor for use with detachable dissolved oxygen sensor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8828202B2 (en) |
| EP (1) | EP2652489B1 (en) |
| AU (1) | AU2011343776B2 (en) |
| CA (1) | CA2820072C (en) |
| WO (1) | WO2012082973A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9346578B2 (en) | 2014-05-30 | 2016-05-24 | Finesse Solutions, Inc. | Aseptic connectors for bio-processing containers |
| KR20230042152A (en) | 2014-05-30 | 2023-03-27 | 피네쎄 솔루션스, 아이엔씨 | Aseptic connectors for bio-processing containers |
| CN116200242A (en) * | 2015-04-13 | 2023-06-02 | 罗斯蒙特公司 | Single-use bioreactor port with multiple sensors |
| JP6608954B2 (en) | 2015-04-24 | 2019-11-20 | ローズマウント インコーポレイテッド | PH sensor for single use equipment |
| US11613724B2 (en) | 2015-12-10 | 2023-03-28 | Rosemount Inc. | Single-use bioreactor sensor interface |
| US10836990B2 (en) | 2016-12-23 | 2020-11-17 | Cyberoptics Corporation | Sensor interface for single-use containers |
| US10584309B2 (en) * | 2017-02-06 | 2020-03-10 | Rosemount Inc. | Pressure transducer for single-use containers |
| DE102017010629A1 (en) * | 2017-11-16 | 2019-05-16 | Sartorius Stedim Biotech Gmbh | Container with wall projection and sensor area |
| US12071608B2 (en) * | 2018-02-28 | 2024-08-27 | Rosemount Inc. | Detachable dissolved oxygen sensor interface for single-use bioreactor/mixer |
| US10738182B2 (en) | 2018-04-23 | 2020-08-11 | Dow Global Technologies Llc | Molded articles and methods thereof |
| US11371902B2 (en) | 2019-12-27 | 2022-06-28 | Rosemount Inc. | Process venting feature for use in sensor applications with a process fluid barrier |
| DE102020110349B4 (en) | 2020-04-15 | 2022-01-20 | Mettler-Toledo Gmbh | Sensor mount for using a conventional sensor with a single-use bioreactor while preserving the sterility of the single-use bioreactor |
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| US4263115A (en) * | 1978-07-03 | 1981-04-21 | Max Planck Gesellschaft Zur Forderung Der Wissenschaften | Ion-selective electrode device for polarographic measurement of oxygen |
| DE2907281A1 (en) * | 1979-02-24 | 1980-09-04 | Ruhrchemie Ag | APPARATUS AND METHOD FOR MEASURING THE TEMPERATURE IN REACTORS OPERATING AT 1400 DEGREES CELSIUS |
| US4294124A (en) * | 1980-04-10 | 1981-10-13 | Air Products And Chemicals, Inc. | Apparatus for extraction of materials from operating pressurized vessels |
| US5046496A (en) | 1989-04-26 | 1991-09-10 | Ppg Industries, Inc. | Sensor assembly for measuring analytes in fluids |
| WO1992001218A1 (en) | 1990-07-10 | 1992-01-23 | Amagruss Limited | Sensor holder |
| JP3391945B2 (en) | 1995-07-08 | 2003-03-31 | 株式会社堀場製作所 | Ion concentration measurement device |
| US6773678B2 (en) * | 2000-03-20 | 2004-08-10 | Endress + Hauser Conducta Gesellschaft Fur Mess Und Regeltechnik Mbh + Co. | Mounting system and retractable sensor holder for analytical sensors |
| GB2364125B (en) | 2000-05-31 | 2004-07-07 | Abb Instrumentation Ltd | Bio-Sensor |
| EP1370638A2 (en) * | 2000-09-15 | 2003-12-17 | Shell Internationale Researchmaatschappij B.V. | Bioreactor |
| US6602401B1 (en) * | 2000-11-01 | 2003-08-05 | Rosemount Analytical Inc. | Amperometric sensor for low level dissolved oxygen with self-depleting sensor design |
| US20020072084A1 (en) | 2000-11-02 | 2002-06-13 | Meserol Peter M. | Biological fluid analysis device |
| WO2003052387A2 (en) | 2001-12-14 | 2003-06-26 | Rosemount Analytical Inc. | A pH SENSOR WITH INTERNAL SOLUTION GROUND |
| US20040140211A1 (en) * | 2003-01-21 | 2004-07-22 | Broy Stephen H. | Modular interface and coupling system and method |
| US20090130704A1 (en) * | 2003-11-13 | 2009-05-21 | Gyure Dale C | Novel bioreactor |
| US20060228804A1 (en) | 2005-04-08 | 2006-10-12 | Rosemount Analytical Inc. | Modified ruthenium complex luminescence dye for oxygen sensing |
| US8008065B2 (en) | 2006-08-02 | 2011-08-30 | Finesse Solutions, Llc. | Disposable bioreactor vessel port |
| JP4825976B2 (en) | 2006-08-03 | 2011-11-30 | 国立大学法人豊橋技術科学大学 | pH detector |
| WO2009017765A1 (en) | 2007-07-30 | 2009-02-05 | Peter Florez | Disposable mini-bioreactor device and method |
| US7950264B2 (en) | 2007-11-30 | 2011-05-31 | Endress + Hauser Conducta Gesellschaft für Mess-und Regeltechnik mbH + Co. KG | Disposable measurement arrangement and method of testing and/or calibrating it |
| FR2934371B1 (en) * | 2008-07-25 | 2012-06-08 | Nanotec Solution | SINGLE-USE BIOMASS SENSOR DEVICE, METHOD OF MAKING SAME, AND SINGLE-USE BIOREACTOR INTEGRATING SENSOR |
-
2011
- 2011-12-14 US US13/325,260 patent/US8828202B2/en active Active
- 2011-12-15 EP EP11813478.2A patent/EP2652489B1/en active Active
- 2011-12-15 AU AU2011343776A patent/AU2011343776B2/en not_active Ceased
- 2011-12-15 WO PCT/US2011/065032 patent/WO2012082973A1/en active Application Filing
- 2011-12-15 CA CA2820072A patent/CA2820072C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20120160677A1 (en) | 2012-06-28 |
| AU2011343776B2 (en) | 2015-01-22 |
| WO2012082973A1 (en) | 2012-06-21 |
| US8828202B2 (en) | 2014-09-09 |
| AU2011343776A1 (en) | 2013-07-11 |
| EP2652489A1 (en) | 2013-10-23 |
| CA2820072A1 (en) | 2012-06-21 |
| EP2652489B1 (en) | 2020-06-24 |
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| EEER | Examination request |
Effective date: 20130523 |
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Effective date: 20201215 |